# T-TWR Rev 2.1 FSK Digital Modem

> A 1000 bps FSK software modem for the LILYGO T-TWR Rev 2.1, enabling digital data transmission over UHF with LDPC forward error correction and real-time ASCII waterfall display.

## Details

- **Difficulty:** advanced
- **Project Type:** build
- **Board Types:** ESP32-S3
- **Devices:** lilygo-t-twr-rev2-1
- **Firmware:** ESP-IDF
- **Use Cases:** Ham Radio, Portable Device, IoT Prototyping
- **Links:** Github Url: https://github.com/tschudin/t-twr-modem

## Tags

`uhf`, `fsk`, `modem`, `ham-radio`, `ldpc`, `digital-radio`, `walkie-talkie`, `t-twr`, `esp32-s3`

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